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Description
The Siemens 6ES7321-1BH02-0AA0 is a digital input module from the SIMATIC S7-300 series, featuring 16 optically isolated digital inputs operating at 24 V DC. This module interfaces seamlessly with various sensors in industrial automation systems, ensuring reliable and efficient input processing.
Key Features
Number of Inputs: 16 digital inputs
Input Voltage: 24 V DC
Isolation: Optically isolated inputs for enhanced safety
Connector Type: 1x 20-pole front connector
Technical Specifications
Load Voltage (L+): Rated at 24 V DC; permissible range: 20.4 V to 28.8 V
Input Current: From backplane bus (5 V DC): Max. 10 mA
Power Loss: Approximately 3.5 W
Input Delay: “0” to “1” and “1” to “0”: 1.2 ms to 4.8 ms
Cable Length: Shielded: Max. 1,000 m; Unshielded: Max. 600 m
Applications
Interfacing with sensors such as switches and proximity sensors in industrial automation systems.
Integration into SIMATIC S7-300 PLC setups for expanded input capabilities.
Lifecycle Status
Phase out 1.10.2023.
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